211241321242 has 16 divisors (see below), whose sum is σ = 365643787392. Its totient is φ = 89653042800.

The previous prime is 211241321237. The next prime is 211241321303. The reversal of 211241321242 is 242123142112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73244509 + ... + 73247392.

It is an arithmetic number, because the mean of its divisors is an integer number (22852736712).

Almost surely, 2^211241321242 is an apocalyptic number.

211241321242 is a deficient number, since it is larger than the sum of its proper divisors (154402466150).

211241321242 is a wasteful number, since it uses less digits than its factorization.

211241321242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146492013.

The product of its digits is 1536, while the sum is 25.

Adding to 211241321242 its reverse (242123142112), we get a palindrome (453364463354).

The spelling of 211241321242 in words is "two hundred eleven billion, two hundred forty-one million, three hundred twenty-one thousand, two hundred forty-two".